diff options
| -rw-r--r-- | test/ipedec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/test/ipedec.c b/test/ipedec.c index 5994fee..ad982ef 100644 --- a/test/ipedec.c +++ b/test/ipedec.c @@ -36,7 +36,11 @@ static int read_raw_file(const char *filename, char **buffer, size_t *length) static void usage(void) { - printf("usage: ipedec [--num-rows=ROWS] [--clear-frame] FILE [FILE ...]\n"); + printf("usage: ipedec [--num-rows=ROWS] [--clear-frame] FILE [FILE ...]\n\ +Options:\n\ + -h, --help Show this help message and exit\n\ + -r, --num-rows=N N rows that are contained in the file\n\ + -c, --clear-frame Clear the frame for each iteration\n"); } static void process_file(const char *filename, int rows, int clear_frame) |